package nju.software.tss.util;

public class Log {
	
	static Log log = new Log();
	
	private Log(){}
	
	public static Log instance(){
		return log;
	}
	
	public void info(String message){
		System.out.println("info:"+message);
	}
	
	public void warn(String message){
		System.out.println("warn:"+message);
	}
	
	public void error(String message){
		System.out.println("erro:"+message);
	}

}
